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The Bisoid (Phunoi) languages belong to the Southern Loloish (Hanoish) branch of the Sino-Tibetan language family. Most Bisoid languages are spoken in Phongsaly Province, northern Laos, with smaller numbers of speakers living in China (Yunnan), Vietnam (Lai Châu Province), Myanmar (Shan State), and northern Thailand.

Bisoid
Phunoi
Geographic distribution	Southern China and Indochina
Linguistic classification	Sino-Tibetan (Tibeto-Burman) Lolo–Burmese Loloish Southern Bisoid
Glottolog	biso1241

Languages

The Bisoid languages are:

Classification

Bradley (2007)

David Bradley (2007)[1] considers the following Bisoid dialects to be closely related.

• Bisu: 500 ethnic members in northern Thailand, with far fewer speakers
• Hpyin (Pyen): already reported as moribund in 1900, and replaced by Lahu
• Laomian: 4,000 speakers (out of 5,000 ethnic members) in central Lancang County
• Laopin: fewer than 1,000 speakers (out of 1,300 ethnic members) in Menghai County
• law˧pan˩ (Lao-Pan in Kingsada (1999))

Bradley (2007) lists the following Sinsali (formerly Phunoi) languages, which differ from each other.

• Sinsali proper
• pʰɔŋ33 ku55 (Phongku in Kingsada (1999))
• law21 sɛŋ21 (Laoseng in Kingsada (1999))
• pi33 su44 (Bisu)

Other Bisoid languages include:

• Phongset (pʰoŋ33 set55) (Shintani 2001)
• Phunyot (pʰu21 ɲɔt11) (Kato 2008)

Udomkool (2006)

Kitjapol Udomkool (2006:34),[2] citing data from Wright,[3] also lists the following Bisoid (Phunoi) languages.

• Tsukong [tsu33 kɔŋ33] (China): close to Cốông
• Cauho [cau33 ho33] (Laos): divergent
• Bantang [ban33 taŋ33] (Laos): divergent
• Cantan [can33 tan33] (Laos): close to Sinsali

Kitjapol Udomkool (2006) gives the following computational classification for the Bisoid (Phunoi) group, using the UPGMA method.

	Mpi   Bisoid    Bantang       Cauho       Tsukong, Cốông           Phongku       Cantan       Sinsali     Laoseng, Phongset               Laopan       Bisu, Pyen     Laopin, Laomian

Wright (n.d.)

Wright (n.d.)[3] tentatively classifies the Singsali (Phunoi) languages of Phongsaly Province, Laos as follows. Phongku may or may not belong as the same group as Laoseng, Phongset, Cantan, and Singsali.

• Bantang
• Cauho
• Laopan
• (Core branch)
  • Phongku (?)
  • Laoseng
  • Phongset
  • Cantan, Singsali

Hsiu (2016, 2018)

Bisoid languages were also analyzed in a 2016 computational phylogenetic lexical analysis by Hsiu (2016).[4]

Bisoid

• Khongsat
• Laoseng
• Sangkong
• Pyen
• (core branch)
  • Lao-Pan
  • Bisu
  • Phunoi
  • Phongset
  • Phongku (Phu-Lawa)
  • Phunyot

The Bisoid classification above was subsequently revised by Hsiu (2018)[5] as follows, with Habei added to Bisoid.

Bisoid

• Bisu cluster: Bisu, Laomian, Laopin, Pyen, Laopan
• Singsali cluster: Phunoi, Singsali, Cantan, Laoseng, Phongku, Phongset, Phunyot
• Coong cluster: Cốông, Sangkong, Tsukong
• Cauho
• Bantang
• Khongsat
• Habei (Mani)

Muda is also noted as having a Bisoid substratum and Akha superstratu. Khongsat and Laoseng have Siloid loanwords.[5]

References

• Lama, Ziwo Qiu-Fuyuan (2012), Subgrouping of Nisoic (Yi) Languages, thesis, University of Texas at Arlington (archived)
• Kingsadā, Thō̜ngphet, and Tadahiko Shintani. 1999 Basic Vocabularies of the Languages Spoken in Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
• Shintani, Tadahiko, Ryuichi Kosaka, and Takashi Kato. 2001. Linguistic Survey of Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
• Kato, Takashi. 2008. Linguistic Survey of Tibeto-Burman languages in Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
• Tun, Maung Maung. 2014. A Sociolinguistic Survey of Selected Bisoid Varieties: Pyen, Laomian and Laopin. Master's thesis.

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